2546740 has 24 divisors (see below), whose sum is σ = 6112512. Its totient is φ = 873120.

The previous prime is 2546729. The next prime is 2546749. The reversal of 2546740 is 476452.

2546740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2546699 and 2546708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2546749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8956 + ... + 9235.

It is an arithmetic number, because the mean of its divisors is an integer number (254688).

2^2546740 is an apocalyptic number.

2546740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2546740 is an abundant number, since it is smaller than the sum of its proper divisors (3565772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2546740 is a wasteful number, since it uses less digits than its factorization.

2546740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18207 (or 18205 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2546740 is about 1595.8508702257. The cubic root of 2546740 is about 136.5614763314.

The spelling of 2546740 in words is "two million, five hundred forty-six thousand, seven hundred forty".